top500.org
Home - | TOP500
top500.org is registered with GoDaddy.com, LLC since November 26, 1997 (29.0 years). The registration expires on November 25, 2026. The site runs on Django, Google Ad Manager, Universal Analytics and 7 other technologies. Its email security grade is B. Its SSL certificate is issued by Let's Encrypt and is valid for 85 more days.
- Domain age
- 29.0 yrs
- Technologies
- 10
- Email security
- B
- SSL days left
- 85
Registration
| Registrar | GoDaddy.com, LLC |
|---|---|
| IANA ID | 146 |
| Registered | November 26, 1997 |
| Expires | November 25, 2026 |
| Updated | November 6, 2026 |
| Status | active |
| Name servers | olga.ns.cloudflare.com, skip.ns.cloudflare.com |
| DNSSEC | Not signed |
DNS records
| Type | Value | TTL |
|---|---|---|
| A | 188.114.96.3 | 300 |
| A | 188.114.97.3 | 300 |
| MX | aspmx.l.google.com 10 | 300 |
| MX | alt1.aspmx.l.google.com 20 | 300 |
| MX | alt2.aspmx.l.google.com 30 | 300 |
| MX | aspmx2.googlemail.com 40 | 300 |
| MX | aspmx3.googlemail.com 50 | 300 |
| MX | aspmx4.googlemail.com 50 | 300 |
| MX | aspmx5.googlemail.com 50 | 300 |
| NS | olga.ns.cloudflare.com | 86400 |
| NS | skip.ns.cloudflare.com | 86400 |
| TXT | google-site-verification=YVDkc451NALv2c7LY40RmIH0SvU8PUducMmwLPYoLWY | 300 |
| TXT | v=spf1 include:_spf.google.com a mx ip4:45.63.78.7 ip6:2001:19f0:5c00:49d8:5400:06ff:fe30:eef3 ip4:35.158.214.49 ip4:52.28.212.99 -all | 300 |
| AAAA | 2a06:98c1:3120::3 | 300 |
| AAAA | 2a06:98c1:3121::3 | 300 |
Technology stack
Analytics and advertising IDs
google_analytics:UA-325590-1SSL certificate
| Valid | Valid |
|---|---|
| Issuer | US, YE2, Let's Encrypt |
| Expires | February 4, 2027 |
| Days remaining | 85 |
| Protocol | TLSv1.3 |
| Names | *.top500.org, top500.org |
Email security
- warnNo MTA-STS: mail sent to you can be downgraded to an unencrypted connection.
- warnNo TLS-RPT record, so you won't hear about failed encrypted deliveries.
- warnNo BIMI record (optional: shows your logo next to your emails in supporting inboxes).
- goodSPF record found.
- goodSPF ends with -all: servers you have not listed are rejected (hard fail).
- goodDMARC policy is reject: mail that fails authentication is blocked.
- goodDMARC aggregate reports are sent to mailto:[email protected], mailto:[email protected].
- goodDKIM keys found (selector: google).
- good7 MX record(s) found. Mail is handled by Google Workspace.
Homepage metadata
| Title | Home - | TOP500 |
|---|---|
| Language | en |
| Indexable | Yes |
| Word count | 1188 |
About top500.org
Who is the registrar of top500.org?
top500.org is registered with GoDaddy.com, LLC (IANA ID 146).
When does top500.org expire?
The current registration of top500.org expires on November 25, 2026. It was first registered on November 26, 1997.
What technology does top500.org use?
We detected 10 technologies on top500.org, including Google Ad Manager, Universal Analytics, Cloudflare, Google Hosted Libraries, Font Awesome, jQuery.
Does top500.org protect its email with SPF and DMARC?
top500.org scores 85/100 (grade B) for email security. No MTA-STS: mail sent to you can be downgraded to an unencrypted connection. No TLS-RPT record, so you won't hear about failed encrypted deliveries.
What are the name servers of top500.org?
top500.org uses olga.ns.cloudflare.com, skip.ns.cloudflare.com.